<!DOCTYPE HTML>
<html>
<head>
    <style type="text/css">
        #div1 {
            width: 488px;
            height: 70px;
            padding: 10px;
            border: 1px solid #aaaaaa;
        }
    </style>
    <script type="text/javascript">
        function allowDrop(ev) {
            ev.preventDefault();
        }

        function drag(ev) {
            ev.dataTransfer.setData("Text", ev.target.id);
        }

        function drop(ev) {
            ev.preventDefault();
            var data = ev.dataTransfer.getData("Text");
            ev.target.appendChild(document.getElementById(data));
        }
    </script>
</head>
<body>

<p>请把 W3School 的图片拖放到矩形中：</p>

<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<br/>
<img id="drag1" src="abc.gif" draggable="true" ondragstart="drag(event)"/>

</body>
</html>
